With double ended Crochet hook and Yarn A:
Ch 40, (work loose chains), sl st in first chain, join in the round. Ensuring stitches aren't twisted. *If you place the stich marker on first stitch, you can easily recognize the round.

rnd 1 : Forward pass with yarn <A>, work in tss; return pass with yarn <B>, work in closing, using the other end of hook.
rnd 2 : Work in forward pass with tss; return pass with closing.
rnd 3 : Forward pass: *2-hdc cluster 1, tss 3; rep from * around. Return pass: Work in closing.
rnd 4: Rep rnd 2.
rnd 5: Forward pass: tss 2, *2-hdc cluster 1, tss 3; rep from * around, ending with tts 1. Return pass: Work in closing. Rep rnds 2-5 to rnd 19.
rnds 20-26: Work in forward pass with trs; return pass with closing.

Edging rnd 1 : Use crochet hook. Tunisian reverse slip stitch (check crochet stitch key for explanation).
Edging rnd 2 : Yarn B: sl st in first reverse sl st, [ch 2, sl st in next reverse sl st]repeat [] to end sl st first sl st. Cut the yarn. Weave in ends.

Pick up foundation ch, with Yarn <A>, work in sc around.
* If you place the stitch marker on the 1st stitch, you can easily recognize the round.
* Use crochet hook for edging.

2-hdc cluster (2-half double crochet cluster)

2 hdc cluster (Yo, insert hook into the front vertical bar, yo, pull yarn through bar, yo, insert hook into same vertical bar, yo, pull yarn through bar (4 sts on hook as image 3 shows), yo, pull yarn through 4 loops on hook at one time. (image 4)

trs (Tunisian reverse stitch)

Incline the work a little toward you (image 1), Insert hook into vertical bar on back side. yo, pull yarn through bar (image 2-3)